Investigators are asking for the public's help in locating a downtown bank robbery suspect.

Police released surveillance pictures of the man they say robbed the PNC Bank at 155 East Market Street Wednesday around 11 a.m. The suspect passed a note to the teller demanding money, but never showed or implied having a weapon.

The suspect, described as a black male in his thirties, 5'10", 160 pounds, fled the scene with an unknown amount of money.

Anyone with information about the robbery or the suspect is encouraged to call Crime Stoppers at 262-TIPS.